Overview

IP Phone Models

Function #

Function Description

 

 

5

Softkeys

 

Activates feature or option shown on the display above

 

the keys

 

 

6

Call key

 

Used to obtain dial tone

 

Also used as a Hold key

 

 

7

Dial Pad

 

 

8

Mute Key

 

When used, prevents the caller from hearing you

 

 

9

Headset Jack

 

 

10

Status Light

 

 

11

Release key

 

To end calls and go on hook

 

Exits Menu and the various lists

 

 

12

Menu Key

 

Access key to the different Options

 

Scrolls down when in the various lists

 

Used as Backspace during editing

 

 

13

Redial Key

 

Displays the last 10 numbers dialed

 

 

14

Charging Jack

 

 

15

Charging Contacts

 

 

16

Microphone

 

 

Overview

41-001160-00, Release 2.1, Rev 04

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Aastra Telecom 53I, 57I CT, 55I manual Softkeys